Shaking Balls Game Box Sports Classes For Adults Building Family And Team : active, balance, promoting the physical coordination capacity of the product Durable more comfortable thanks to optimized design Suitable for indoor and outdoor toys for children and adults Shaking balls while playing helps you practice sensory integration as well as coordination Can come up with your own rules while playing games that can improve your imagination and creativity This set of vibrating balls is made of PP material Easy to assemble and the length can be adjusted This can be used for many occasions such as birthdays, home parties, outdoor events, outdoor campaigns, school campaigns and more sizes: Approx.: 24 cm x 17 cm x 8 cm/945 669 315 inch contains: 1 set of trembling swings